Climate and monthly weather forecastGrant City, IA
Climate and monthly weather forecast
Weather in January
January, the same as December, in Grant City, Iowa, is a freezing cold winter month, with an average temperature varying between 25.2°F (-3.8°C) and 13.1°F (-10.5°C). The coldest period is January, when temperatures fluctuate between an average high of 25.2°F (-3.8°C) and a low of 13.1°F (-10.5°C). Weather in January »Weather in February
The last month of the winter, February, is another freezing cold month in Grant City, Iowa, with temperature in the range of an average low of 16.2°F (-8.8°C) and an average high of 29.1°F (-1.6°C). February's weather displays an average high-temperature of a still freezing cold 29.1°F (-1.6°C), slightly varied from January's 25.2°F (-3.8°C). Weather in February »Weather in March
The first month of the spring, March, is a chilly month in Grant City, Iowa, with an average temperature varying between 30.6°F (-0.8°C) and 45°F (7.2°C). In Grant City, stepping into March signifies a significant temperature increment, moving up from February's freezing cold 29.1°F (-1.6°C) to a frosty 45°F (7.2°C). Weather in March »Weather in April
April is a moderate spring month in Grant City, Iowa, with an average temperature varying between 57.9°F (14.4°C) and 41.5°F (5.3°C). April brings a temperature increase, with average high-temperatures moving from March's chilly 45°F (7.2°C) to a mild 57.9°F (14.4°C). Weather in April »Weather in May
The last month of the spring, May, is a pleasant month in Grant City, Iowa, with an average temperature varying between 69.1°F (20.6°C) and 52.7°F (11.5°C). Grant City, Iowa, sees an increase in the average high-temperature with the arrival of May, moving from April's mild 57.9°F (14.4°C) to an agreeable 69.1°F (20.6°C). Weather in May »Weather in June
The first month of the summer, June, is a warm month in Grant City, Iowa, with an average temperature ranging between min 62.6°F (17°C) and max 79°F (26.1°C). June signals a shift in the average high-temperature, moving from May's agreeable 69.1°F (20.6°C) to a moderately hot 79°F (26.1°C). Weather in June »Weather in July
July, like June, in Grant City, Iowa, is a moderately hot summer month, with an average temperature ranging between min 64°F (17.8°C) and max 81.3°F (27.4°C). In Grant City, the highest average temperatures are observed in July, with a high of 81.3°F (27.4°C) and a low of 64°F (17.8°C). July's heat index is appraised at a tropical 87.8°F (31°C). Weather in July »Weather in August
August, the last month of the summer in Grant City, is another warm month, with an average temperature varying between 61.3°F (16.3°C) and 79.2°F (26.2°C). August's average high-temperature is a still moderately hot 79.2°F (26.2°C), maintaining a close comparison with July's 81.3°F (27.4°C). Weather in August »Weather in September
September, the first month of the autumn in Grant City, is also a moderately hot month, with temperature in the range of an average high of 74.1°F (23.4°C) and an average low of 55.2°F (12.9°C). The commencement of September brings an average high-temperature of a still moderately hot 74.1°F (23.4°C), marking an inconsequential divergence from August. Weather in September »Weather in October
October, like September, is another refreshing autumn month in Grant City, Iowa, with an average temperature varying between 58.6°F (14.8°C) and 43.5°F (6.4°C). As Grant City transitions into October, a marked decrease in the average high-temperature is observed, dropping from a moderately hot 74.1°F (23.4°C) in September to a refreshing 58.6°F (14.8°C). Weather in October »Weather in November
November, the last month of the autumn in Grant City, is another chilly month, with an average temperature varying between 44.8°F (7.1°C) and 31.6°F (-0.2°C). The arrival of November indicates a decrease in the average high-temperature, moving from a moderate 58.6°F (14.8°C) in October to a chilly 44.8°F (7.1°C). Weather in November »Weather in December
The first month of the winter, December, is still a freezing cold month in Grant City, Iowa, with an average temperature ranging between min 20.1°F (-6.6°C) and max 30.2°F (-1°C). The arrival of December brings a significant change in Grant City's weather, with average high-temperatures dropping from November's chilly 44.8°F (7.1°C) to a subzero cold 30.2°F (-1°C). Weather in December »Updated: Jul 24, 2024
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Grant City's coldest weather arrives in January, when temperatures average a high of 25.2°F (-3.8°C) and a low of 13.1°F (-10.5°C).
With an average relative humidity of 85%, January is the most humid month in Grant City.
The month with the least rainfall is January, when the rain falls for 3.3 days and typically collects 0.43" (11mm) of precipitation.
Throughout the year, in Grant City, there are 107.9 rainfall days, and 15.04" (382mm) of precipitation is accumulated.
Months with snowfall are January through May, October through December.
Throughout the year, there are 35.1 snowfall days, and 7.99" (203mm) of snow is accumulated.
January has the least sunshine of the year, with an average of 4h of sunshine.
February is the month with the most snowfall. Snow falls for 8.3 days and accumulates 2.68" (68mm) of snow.
The month with the lowest UV index is February, with an average maximum UV index of 1.
On Sunday, March 10. 2024, at 2:00 am, Daylight Saving Time starts in Grant City, and the time zone changes from CST to CDT. Daylight Saving Time ends Sunday, November 3. 2024, at 2:00 am, and the time zone reverts from CDT to CST.
The least humid month is April, with an average relative humidity of 67%.
May is the month with the most rainfall. Rain falls for 14.2 days and accumulates 2.48" (63mm) of precipitation.
In Grant City, snow does not fall in June through September.
June has the longest days of the year, with an average of 15h and 12min of daylight.
The months with the highest UV index are June and July, with an average maximum UV index of 6.
July stands out as Grant City's warmest month, with an average high-temperature of 81.3°F (27.4°C) and a low-temperature of 64°F (17.8°C).
July has the most sunshine of the year, with an average of 10.3h of sunshine.
The month with the shortest days in Grant City is December, with an average of 9h and 12min of daylight.
Average temperature
Grant City, IA
The warmest month (with the highest average high temperature) is July (81.3°F).
The month with the lowest average high temperature is January (25.2°F).
The month with the highest average low temperature is July (64°F).
The coldest month (with the lowest average low temperature) is January (13.1°F).
Average pressure
Grant City, IA
- Average pressure in January:
30.16"Hg - Average pressure in February:
30.15"Hg - Average pressure in March:
30.07"Hg - Average pressure in April:
29.93"Hg - Average pressure in May:
29.93"Hg - Average pressure in June:
29.88"Hg
- Average pressure in July:
29.95"Hg - Average pressure in August:
29.96"Hg - Average pressure in September:
30"Hg - Average pressure in October:
30"Hg - Average pressure in November:
30.08"Hg - Average pressure in December:
30.12"Hg
The month with the highest atmospheric pressure is January (30.16"Hg).
The month with the lowest atmospheric pressure is June (29.88"Hg).
Average wind speed
Grant City, IA
- Average wind speed in January:
11.2mph - Average wind speed in February:
11.1mph - Average wind speed in March:
10.8mph - Average wind speed in April:
11.1mph - Average wind speed in May:
9.6mph - Average wind speed in June:
8.6mph
- Average wind speed in July:
7.4mph - Average wind speed in August:
7.6mph - Average wind speed in September:
8.7mph - Average wind speed in October:
10.2mph - Average wind speed in November:
10.7mph - Average wind speed in December:
10.7mph
The windiest month (with the highest average wind speed) is January (11.2mph).
The calmest month (with the lowest average wind speed) is July (7.4mph).
Average humidity
Grant City, IA
The month with the highest relative humidity is January (85%).
The month with the lowest relative humidity is April (67%).
Average rainfall
Grant City, IA
- Average rainfall in January:
0.43" - Average rainfall in February:
0.63" - Average rainfall in March:
0.67" - Average rainfall in April:
1.3" - Average rainfall in May:
2.48" - Average rainfall in June:
2.32"
- Average rainfall in July:
1.42" - Average rainfall in August:
1.77" - Average rainfall in September:
1.65" - Average rainfall in October:
1.14" - Average rainfall in November:
0.55" - Average rainfall in December:
0.67"
The wettest month (with the highest rainfall) is May (2.48").
The driest month (with the least rainfall) is January (0.43").
Average rainfall days
Grant City, IA
- Average rainfall days in January:
3.3 days - Average rainfall days in February:
2.5 days - Average rainfall days in March:
7.4 days - Average rainfall days in April:
12.2 days - Average rainfall days in May:
14.2 days - Average rainfall days in June:
15 days
- Average rainfall days in July:
12.8 days - Average rainfall days in August:
11.4 days - Average rainfall days in September:
11.5 days - Average rainfall days in October:
8.1 days - Average rainfall days in November:
5.5 days - Average rainfall days in December:
4 days
The month with the highest number of rainy days is June (15 days).
The month with the least rainy days is February (2.5 days).
Average snowfall
Grant City, IA
- Average snowfall in January:
1.69" - Average snowfall in February:
2.68" - Average snowfall in March:
1.1" - Average snowfall in April:
0.63" - Average snowfall in May:
0.16" - Average snowfall in June:
0"
The month with the highest snowfall is February (2.68").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days
Grant City, IA
- Average snowfall days in January:
9.1 days - Average snowfall days in February:
8.3 days - Average snowfall days in March:
4.8 days - Average snowfall days in April:
1.4 days - Average snowfall days in May:
0.2 days - Average snowfall days in June:
0 days
- Average snowfall days in July:
0 days - Average snowfall days in August:
0 days - Average snowfall days in September:
0 days - Average snowfall days in October:
0.8 days - Average snowfall days in November:
2.9 days - Average snowfall days in December:
7.6 days
The month with the highest number of snowfall days is January (9.1 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight / Average sunshine
Grant City, IA
- Average daylight in January:
9h and 30min - Average daylight in February:
10h and 36min - Average daylight in March:
12h and 0min - Average daylight in April:
13h and 24min - Average daylight in May:
14h and 36min - Average daylight in June:
15h and 12min
- Average daylight in July:
14h and 54min - Average daylight in August:
13h and 48min - Average daylight in September:
12h and 30min - Average daylight in October:
11h and 0min - Average daylight in November:
9h and 48min - Average daylight in December:
9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in January:
4h and 0min - Average sunshine in February:
4h and 48min - Average sunshine in March:
6h and 0min - Average sunshine in April:
7h and 54min - Average sunshine in May:
8h and 36min - Average sunshine in June:
9h and 36min
- Average sunshine in July:
10h and 18min - Average sunshine in August:
9h and 30min - Average sunshine in September:
9h and 6min - Average sunshine in October:
5h and 42min - Average sunshine in November:
5h and 24min - Average sunshine in December:
4h and 42min
The month with the most sunshine is July (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days
Grant City, IA
- Average sunshine days in January:
20 days - Average sunshine days in February:
17.5 days - Average sunshine days in March:
18.4 days - Average sunshine days in April:
14.8 days - Average sunshine days in May:
13.8 days - Average sunshine days in June:
12 days
- Average sunshine days in July:
13.5 days - Average sunshine days in August:
16.3 days - Average sunshine days in September:
16.7 days - Average sunshine days in October:
20.8 days - Average sunshine days in November:
20.9 days - Average sunshine days in December:
20.5 days
The month with the most sunshine days is November (20.9 days).
The month with the least sunshine days is June (12 days).
Average UV index
Grant City, IA
The months with the highest UV index are June and July (UV index 6).
The month with the lowest UV index is February (UV index 1).
Average cloud cover
Grant City, IA
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is July (Cloud cover 29).
Average visibility
Grant City, IA
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
